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-rwxr-xr-xutil/mainboard/google/kconfig.py140
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diff --git a/util/mainboard/google/kconfig.py b/util/mainboard/google/kconfig.py
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--- a/util/mainboard/google/kconfig.py
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-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-"""Add a new variant to the Kconfig and Kconfig.name
-
-To start a new variant of an existing reference board, we need to
-add the variant into the Kconfig and Kconfig.name files for the
-reference board. In Kconfig, we have two sections that need additional
-entries, MAINBOARD_PART_NUMBER and VARIANT_DIR.
-
-The MAINBOARD_PART_NUMBER and VARIANT_DIR just use various
-capitalizations of the variant name to create the strings.
-
-Kconfig.name adds an entire section for the new variant, and all
-of these use various capitalizations of the variant name. The strings
-in this section are SOC-specific, so we'll need versions for each
-SOC that we support.
-
-Copyright 2019 Google LLC.
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; version 2 of the License.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-"""
-
-from __future__ import print_function
-import argparse
-import sys
-
-
-def main():
- parser = argparse.ArgumentParser(
- description='Add strings to coreboot Kconfig for a new board variant')
- parser.add_argument('--board', type=str, required=True,
- help='Name of the reference board')
- parser.add_argument('--variant', type=str, required=True,
- help='Name of the board variant')
- args = parser.parse_args()
-
- if args.board not in ['hatch', 'volteer', 'trembyle']:
- print('Unsupported reference board "' + args.board + '"')
- sys.exit(1)
-
- add_to_Kconfig(args.variant)
- add_to_Kconfig_name(args.board, args.variant)
-
-
-def add_to_Kconfig(variant_name):
- """Add options for the variant to the Kconfig
-
- Open the Kconfig file and read it line-by-line. When we detect that we're
- in one of the sections of interest, wait until we get a blank line
- (signalling the end of that section), and then add our new line before
- the blank line. The updated lines are written out to Kconfig.new in the
- same directory as Kconfig.
-
- variant_name The name of the board variant, e.g. 'kohaku'
- """
- # These are the part of the strings that we'll add to the sections
- BOARD = 'BOARD_GOOGLE_' + variant_name.upper()
- lowercase = variant_name.lower()
- capitalized = lowercase.capitalize()
-
- # These flags track whether we're in a section where we need to add an option
- in_mainboard_part_number = False
- in_variant_dir = False
-
- inputname = 'Kconfig'
- outputname = 'Kconfig.new'
- with open(outputname, 'w') as outfile:
- with open(inputname, 'r') as infile:
- for rawline in infile:
- line = rawline.rstrip('\r\n')
-
- # Are we in one of the sections of interest?
- if line == 'config MAINBOARD_PART_NUMBER':
- in_mainboard_part_number = True
- if line == 'config VARIANT_DIR':
- in_variant_dir = True
-
- # Are we at the end of a section, and if so, is it one of the
- # sections of interest?
- if line == '':
- if in_mainboard_part_number:
- print('\tdefault "' + capitalized + '" if ' + BOARD, file=outfile)
- in_mainboard_part_number = False
- if in_variant_dir:
- print('\tdefault "' + lowercase + '" if ' + BOARD, file=outfile)
- in_variant_dir = False
-
- print(line, file=outfile)
-
-
-def add_to_Kconfig_name(refboard_name, variant_name):
- """Add a config section for the variant to the Kconfig.name
-
- Kconfig.name is easier to modify than Kconfig; it only has a block at
- the end with the new variant's details.
-
- refboard_name The name of the reference board, e.g. 'hatch'
- We expect the caller to have checked that it is one we support
- variant_name The name of the board variant, e.g. 'kohaku'
- """
- # Board name for the config section
- uppercase = variant_name.upper()
- capitalized = variant_name.lower().capitalize()
-
- inputname = 'Kconfig.name'
- outputname = 'Kconfig.name.new'
- with open(outputname, 'w') as outfile:
- with open(inputname, 'r') as infile:
- # Copy all input lines to output
- for rawline in infile:
- line = rawline.rstrip('\r\n')
- print(line, file=outfile)
-
- # Now add the new section
- if refboard_name == 'hatch':
- print('\nconfig ' + 'BOARD_GOOGLE_' + uppercase, file=outfile)
- print('\tbool "-> ' + capitalized + '"', file=outfile)
- print('\tselect BOARD_GOOGLE_BASEBOARD_HATCH', file=outfile)
- print('\tselect BOARD_ROMSIZE_KB_16384', file=outfile)
-
- if refboard_name == 'volteer':
- print('\nconfig ' + 'BOARD_GOOGLE_' + uppercase, file=outfile)
- print('\tbool "-> ' + capitalized + '"', file=outfile)
- print('\tselect BOARD_GOOGLE_BASEBOARD_VOLTEER', file=outfile)
-
- if refboard_name == 'trembyle':
- print('\nconfig ' + 'BOARD_GOOGLE_' + uppercase, file=outfile)
- print('\tbool "-> ' + capitalized + '"', file=outfile)
- print('\tselect BOARD_GOOGLE_BASEBOARD_TREMBYLE', file=outfile)
-
-
-if __name__ == '__main__':
- main()